Crisps, breadsticks, rolls,
Ready made or prepared ahead of time slightly salads - inc pasta/rice/cous cous salads which are super easy, especially cous cous
Crudites - carrot batons, celery sticks, cucumber and peppers cut into sticks
Bought dips (though again very easy to make yourself)
Cheese selection
Ready made picnic bits - sausage rolls, mini scotch eggs, pork pies (mini or slice large ones into wedges), feta parcels, samosas, spring rolls,
Cold cuts/deli slices - ham, sliced chicken, turkey, pastrami, sliced roast beef etc
Accompaniments - pickles, olives, coleslaw, potato salad, sundried tomatoes, vine leaves,
Put out squeezy bottles of Mayo, salad cream and ketchup maybe brown sauce too
Fruit for after - grapes, strawberries, blackberries...
Individual cakes/sweet treats for after - fairy cakes I always think work better than cupcakes, mini doughnuts, mini tarts and pastries
Gluten free just green flag the stuff that's ok for them and present separated?